Autonomous Submarinebot Heads Down On Deepest-Ever Undersea Search For Undiscovered Life

"The volcano, an undersea vent called a 'black smoker' that reportedly emits steam hot enough to melt lead, is located near the Cayman Islands, in the Caribbean.... Scientists believe that the earliest life began in black smokers, with the heat from the volcanoes providing energy to an ecosystem blocked from sunlight by miles of murky deep."